The tablet press is the core equipment for the production of tablets in the pharmaceutical industry, affecting most of the quality indicators and economic indicators (qualification rate, etc.). At present, the domestic tablet press models mainly include two types of single punching machine and multi-punch rotary tablet press.
The single punching machine mainly drives the up and down punching by the rotation of the rotating wheel, and presses the particles filled into the die hole by the powder adding device into a piece. The main drawback is that the impact noise is large when the tablet is pressed (produced by the one-way pressurization of the upper punch), and the output is small (about 100 sheets/min), which is only suitable for production in small batches and trial production in the laboratory.
The multi-punch rotary tablet press is a tablet press widely used in production. The automatic high-speed rotary PLC tablet press detects the punch pressure through the pressure sensor, and is monitored and analyzed by the central control unit CPU. The filling depth of the tablet press is adjusted according to the predetermined control model to realize the automatic production of the tablet press. control.
At the same time, it monitors the damage of the tablet press and the supply of the powder, which plays a safety protection role, greatly improves the pass rate of the tablets, reduces the production cost, and realizes one-man multi-machine management. The system is simple in operation, convenient in maintenance, stable and reliable in operation, high in control precision, and has high technical advantages.
The fully automatic high-speed rotary PLC tablet press adopts a mechatronic servo control system. Servo motor is the power source, the output torque and speed accuracy are high, the spindle speed is up to 100r/min, and the Zui high-voltage piece can reach 168KT/H. With the size and shape of the die, it can be pressed out of the large diameter of 13mm. Sheet, zui large-length 16mm shaped piece, average piece weight control accuracy ± 1%, individual piece weight difference;
With various interlock protection and alarm functions: with upper and lower over-tight protection; with main pressure, pre-pressure hydraulic support, hydraulic pressure adjustable and automatic pressure-holding function; with automatic lubrication system, lubrication flow in time interval Adjusted, with a lubricant shortage alarm device; has the function of automatically controlling the weight of the tablet within the error range and rejecting the unqualified product; with overload protection, emergency stop, automatic shutdown alarm function.
The single punching machine mainly drives the up and down punching by the rotation of the rotating wheel, and presses the particles filled into the die hole by the powder adding device into a piece. The main drawback is that the impact noise is large when the tablet is pressed (produced by the one-way pressurization of the upper punch), and the output is small (about 100 sheets/min), which is only suitable for production in small batches and trial production in the laboratory.
The multi-punch rotary tablet press is a tablet press widely used in production. The automatic high-speed rotary PLC tablet press detects the punch pressure through the pressure sensor, and is monitored and analyzed by the central control unit CPU. The filling depth of the tablet press is adjusted according to the predetermined control model to realize the automatic production of the tablet press. control.
At the same time, it monitors the damage of the tablet press and the supply of the powder, which plays a safety protection role, greatly improves the pass rate of the tablets, reduces the production cost, and realizes one-man multi-machine management. The system is simple in operation, convenient in maintenance, stable and reliable in operation, high in control precision, and has high technical advantages.
The fully automatic high-speed rotary PLC tablet press adopts a mechatronic servo control system. Servo motor is the power source, the output torque and speed accuracy are high, the spindle speed is up to 100r/min, and the Zui high-voltage piece can reach 168KT/H. With the size and shape of the die, it can be pressed out of the large diameter of 13mm. Sheet, zui large-length 16mm shaped piece, average piece weight control accuracy ± 1%, individual piece weight difference;
With various interlock protection and alarm functions: with upper and lower over-tight protection; with main pressure, pre-pressure hydraulic support, hydraulic pressure adjustable and automatic pressure-holding function; with automatic lubrication system, lubrication flow in time interval Adjusted, with a lubricant shortage alarm device; has the function of automatically controlling the weight of the tablet within the error range and rejecting the unqualified product; with overload protection, emergency stop, automatic shutdown alarm function.
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